જો $0 < |x| < 1$ માટે $f(x) = \operatorname{Tan}^{-1} \left[ \frac{\sqrt{1+x^2} + \sqrt{1-x^2}}{\sqrt{1+x^2} - \sqrt{1-x^2}} \right]$ હોય,તો $f'(x) =$

  • A
    $\frac{x}{\sqrt{1-x^4}}$
  • B
    $\frac{-x}{\sqrt{1-x^4}}$
  • C
    $\frac{x}{\sqrt{1-x^2}}$
  • D
    $\frac{-x}{\sqrt{1-x^2}}$

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Similar Questions

જો $u=\tan ^{-1}\left(\frac{\sqrt{1+x^{2}}-1}{x}\right)$ અને $v=\tan ^{-1}\left(\frac{2 x \sqrt{1-x^{2}}}{1-2 x^{2}}\right)$ હોય,તો $x=0$ આગળ $\frac{d u}{d v}$ ની કિંમત શોધો.

${\cos ^{ - 1}}\left( {\frac{{1 - {x^2}}}{{1 + {x^2}}}} \right)$ નું ${\cot ^{ - 1}}\left( {\frac{{1 - 3{x^2}}}{{3x - {x^3}}}} \right)$ ની સાપેક્ષમાં વિકલન શું થાય?

$\frac{d}{dx}\left( \tan^{-1} \left( \frac{\cos x}{1 + \sin x} \right) \right) = $

$\lim _{x}$ ${\rightarrow \frac{\pi}{2}} \left( \frac{\int_{x^3}^{(\pi / 2)^3} (\sin (2 t^{1 / 3}) + \cos (t^{1 / 3})) dt}{(x - \frac{\pi}{2})^2} \right)$ ની કિંમત શોધો:

ધારો કે $f: R \rightarrow R$ એક સતત વિધેય છે. જો $px+my+n=0$ એ વક્ર $y=f(x)$ પર $x=\alpha$ આગળ દોરેલ સ્પર્શક હોય,તો $x=0$ આગળ $\frac{d}{d x}\left(f\left(\alpha e^{2 x}\right)\right)=$

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